{
 "id": "B20-A",
 "counterpart": "B20-B",
 "genre": "turn_combat",
 "interaction_family": "trigger_cast",
 "initial_scene": {
  "description": "a duel arena in cool overcast light, an enemy soldier in full plate armor facing the player, holding a large round shield exactly two people, both fully visible and large in the frame: the player at combat distance from the enemy with a sword held ready, and an armored enemy standing with shield raised",
  "third_person_player": true,
  "player_pose_and_item": "exactly two people, both fully visible and large in the frame: the player at combat distance from the enemy with a sword held ready, and an armored enemy standing with shield raised",
  "action_target": "the player's sword swing",
  "other_key_objects": [
   "enemy_soldier",
   "enemy_shield",
   "enemy_armor"
  ],
  "shared_visual_state": [
   "the enemy's large round shield is whole and intact",
   "the enemy's plate armor is plain grey metal"
  ],
  "camera": "locked third-person, fixed framing",
  "style": "stylized 3D third-person adventure game environment, clean uncluttered composition, readable silhouettes, medium-wide fixed gameplay camera, soft cool-neutral ambient lighting, restrained materials, no HUD, no subtitles, no readable text",
  "keyframe": "frames/B20.png"
 },
 "hidden_state": {
  "variable": "enemy_reaction",
  "A": "SHIELD",
  "B": "ARMOR",
  "visible_in_initial_frame": false
 },
 "rule": {
  "text": "If the enemy_reaction is SHIELD, the enemy's large shield cracks apart and breaks; if it is ARMOR, the enemy's armor is covered by thick blue ice.",
  "precondition": "enemy_reaction == 'SHIELD'",
  "effect": "shield.state = 'broken'",
  "else_effect": "armor.state = 'frozen'",
  "mapping": {
   "SHIELD": "shield.state = 'broken'",
   "ARMOR": "armor.state = 'frozen'"
  }
 },
 "shared_action": "The player stays in place and performs one large, clear sword-swing attack.",
 "instruction": "Preserve the first frame. enemy_reaction = SHIELD, so the resolved rule is: the enemy's large shield cracks apart and breaks. Action: The player stays in place and performs one large, clear sword-swing attack. Show the action, then exactly this consequence: the enemy's large shield cracks apart and breaks The counter-outcome must NOT happen at any point: the enemy's plate armor is covered with a thick layer of blue ice. Instead, the enemy's plate armor is plain grey metal throughout the clip. Hold the final state for about the last second. One continuous 3-second third-person clip, fixed camera, no HUD, no subtitles, no readable text.",
 "initial_state": {
  "shield": {
   "state": "whole"
  },
  "armor": {
   "state": "normal"
  },
  "enemy_reaction": "SHIELD"
 },
 "gold_end_state": {
  "shield.state": "broken",
  "armor.state": "normal"
 },
 "delta": {
  "shield.state": "broken"
 },
 "visual_vocab": {
  "shield.state": {
   "whole": "the enemy's large round shield is whole and intact",
   "broken": "the enemy's large round shield is cracked apart and broken"
  },
  "armor.state": {
   "normal": "the enemy's plate armor is plain grey metal",
   "frozen": "the enemy's plate armor is covered with a thick layer of blue ice"
  }
 },
 "gold_A": "the enemy's large shield cracks apart and breaks",
 "gold_B": "the enemy's armor is covered by thick blue ice",
 "terminal_visual_states": {
  "occurs": {
   "variable": "shield.state",
   "value": "broken",
   "phrase": "the enemy's large round shield is cracked apart and broken",
   "judge_label": "the shield is broken",
   "in_final_frame": true
  },
  "not_occurs": {
   "variable": "armor.state",
   "value": "frozen",
   "phrase": "the enemy's plate armor is covered with a thick layer of blue ice",
   "judge_label": "the armor is ice-covered",
   "in_final_frame": false,
   "instead_remains": "the enemy's plate armor is plain grey metal"
  }
 },
 "prompt_ok": [
  "SHIELD",
  "ARMOR"
 ],
 "judge": {
  "initial_questions": [
   {
    "question": "Is it true that the player faces an armored enemy holding a shield?",
    "statement": "the player faces an armored enemy holding a shield",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   },
   {
    "question": "Is it true that the shield is whole and the armor is plain?",
    "statement": "the shield is whole and the armor is plain",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   }
  ],
  "action_question": {
   "question": "Did the player perform one large clear sword swing?",
   "answers": [
    "yes",
    "no"
   ],
   "expected": "yes"
  },
  "outcome_question": {
   "question": "At the end, is the shield broken, or the armor ice-covered?",
   "answers": [
    "the shield is broken",
    "the armor is ice-covered",
    "unclear"
   ],
   "expected": "the shield is broken",
   "not_expected": "the armor is ice-covered"
  }
 },
 "constraints": {
  "identical_initial_frame": true,
  "hidden_state_not_visually_leaked": true,
  "same_action_across_twins": true,
  "both_outcomes_change": true,
  "one_action_per_chunk": true,
  "duration_seconds": "2-5"
 },
 "input_image": "input.png"
}